body {
    background-color: #f1f1f1;
    margin: 0;
    padding: 0;
}

nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-image: linear-gradient(to right, #e9780e, #fa381f);
    height: 128px;
    margin-bottom: 20px;
}





#shurufa {
  
    margin: 0 auto;
    width:800px;

}


#wenbenshang{ margin-top: 20px; 
    margin-bottom: 20px; 
   
  }
  
#xiala {
    display: inline-block;
    float: left;
}
#zhong {
    display: inline-block;
   margin-left: 15px;
   color: gray;

    
}


select {




    left: auto;
    height: 22px;
    background-color: rgb(238, 238, 238);
    border-radius: 3px;

}



#qingchu {
    display: inline-block;
    float: right;
    margin-bottom: 5px;
}
 


#da {
    width: 800px;
    height: 300px;
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 18px;
    border: 1px solid #ccc;

    border-radius: 5px;

    box-shadow: 5px 5px 0px #ddd, -2px -2px 0px rgb(236, 236, 236);

    background-color: white;

    margin-bottom: 20px;

    outline: none;

    border-color: rgb(207, 207, 207);

}

 
#vtl{
    display: inline-block;
}


#anniu {
    height: 50px;
    display: inline-block;
    float: right;
    padding-top: 20px; /* 设置上边距为 10px */

}
#gdbox,
#checkbox,
#sjbox {
    margin-right: 15px;
}




#vtl {
    position: relative;
    height: 50px;
    width: 355px;
    overflow-x: hidden;
    overflow-y: hidden;
    white-space: nowrap;
    float: left;
    border-radius: 10px;
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 14px;
    padding-left: 5px;
    padding-top: 6px;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
    background: url('') top right no-repeat, linear-gradient(to bottom, #f8f8f8, #eeeeee);
    border: 2px solid rgb(219, 219, 219);
    padding-bottom: 6px;
}


#xiao {
    border: none;
    outline: none;
    -webkit-appearance: none;
    background-color: transparent;
    width: calc(100% - 6px);
}
#xiao,#lb {
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 18px;
}

#xiao {
    color: #eb2a11;
}

#xiao::placeholder {
    text-align: right;
    color: rgb(197, 197, 197);
    font-size: 14px;
}








h1 {
    color: white;
    font-size: 35px;
    margin-bottom: 10px;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

li {
    margin-right: 20px;
}

li:last-child {
    margin-right: 0;
}

a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
}




details {

    margin-bottom: 10px;

}

summary {

    cursor: pointer;
}


